The following is the May 20, 2019 Congressional Research Service report, Recent Trends in Active-Duty Military Deaths.
From the report
Congressional Research Service graphic
Since 2006—five years after the start of major combat operations in Afghanistan and three years after the U.S.-led invasion of Iraq—a total of 16,652 active-duty personnel and mobilized reservists have died while serving in the U.S. Armed Forces. Seventy-three percent of these casualties occurred under circumstances unrelated...
https://news.usni.org/2019/06/05/document-trends-in-active-duty-military-deaths